-(defvar mh-alias-read-address-map nil)
-(unless mh-alias-read-address-map
- (setq mh-alias-read-address-map
- (copy-keymap minibuffer-local-completion-map))
- (define-key mh-alias-read-address-map
- "," 'mh-alias-minibuffer-confirm-address)
- (define-key mh-alias-read-address-map " " 'self-insert-command))
+(defvar mh-alias-read-address-map
+ (let ((map (copy-keymap minibuffer-local-completion-map)))
+ (define-key map "," 'mh-alias-minibuffer-confirm-address)
+ (define-key map " " 'self-insert-command)
+ map))